4 x 5 2 64 July 8, 2019 16 32 64 128 4 mũ 2 x 5 64 2 3x 4 64 x 5 2 8x 1 0 4 x 0 5 x 64 2 4 x 5 mũ 2 64 chia 2 mũ 3 4 x 5 / 2
